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    <title>7.18-特效练习</title>
    <style>
        *{
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .bigbox{
            width: 230px;
            height: 230px;
            background: #faffa1;
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            height:200px;
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            border-top-color: #5affda;
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            border-radius: 50%;
            transition: all 0.5s;
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        .threebox{
            width:200px;
            height:200px;
            background: rgba(0,0,0,0.09);
            border-radius: 50%;
            position: absolute;
            top:230px;
            left:15px;
            text-align: center;
            line-height: 50px;
            color: #ffffff;
            font-size: 20px;
            font-weight:bold;
            opacity: 0;
            transition: all 0.3s;
        }
        img{
            width: 200px;
            height:200px;
            border-radius: 50%;
            position: absolute;
            top:15px;
            left: 15px;
        }
        .bigbox:hover .threebox{
            top:15px;
            opacity:1;
        }
        .bigbox:hover .seconrdbox{
            transform: rotate(180deg);
        }
        .css2d{
            width:1000px;
            height:1500px;
            background: rgba(185,110,123,0.4);
            margin: 100px auto;
            /*opacity: 0.2;*/

        }
        .css2d ul li{
            width: 400px;
            height: 400px;
            background: rgba(75,75,75,0.3);
            float: left;
            margin-left: 50px;
            margin-bottom: 50px;
        }
        .smbx{
            width: 200px;
            height: 200px;
            background: #537eff;
            margin: 50px auto;
            transition: all 0.3s;
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        .smbx:hover{
            transform: skew(20deg,45deg);
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    </style>
</head>
<body>
    <div class="bigbox">
        <div class="seconrdbox">

        </div><img src="./img/314x186.jpg" alt="">
        <div class="threebox">
            <br>
            清爽一夏
            <br>
            Alexis Mabille
        </div>
    </div>
    <!--旋转斜切缩放平移-->
    <div class="css2d">
        <ul>
            <li>
                <div class="smbx">

                </div>
            </li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
            <li></li>
        </ul>
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